Easy Configuration and Management
Fast installations with advanced auto-configuration, auto-detect and plug and play capabilities. Control your phone
system with intuitive Web GUI. Instantly alert through email, SMS, and phone call.
Managed easily from PC, phone, or any Internet-enabled device.

Excellent Interoperability
- Interoperable with worldwide SIP trunks/ITSP, and varied IP phones, IP doorphones, SIP cameras, softswitch, CRM, and more.
- Quickly auto provision IP phones from Yealink, Cisco, Polycom, Snom, Vtech, Fanvil, Htek, Grandstream, Panasonic, Alcatel Business, etc.

Scalable Modular Design
Learm more about the s-series voip pbx module >>
FXS extensions module, FXO module,
PSTN fallback module, BRI module,
and GSM/3G/4G module.
Supports 4 modules in one EX08 Expansion
Board Supports 1 E1/T1/PRI port in one
EX30 Expansion Board.
Expand SIP users and concurrent
calls when your business grows
with DSP Module.

Robust Feature Set for All of Your Calling Needs
The Yeastar S-Series is designed to help you grow your business by providing plenty business-enhancing
system features and functions. Learn more about the business-enhancing features.
- App Center
- AutoCLIP
- Auto Provision IP Phones
- Automated Attendant (IVR)
- Blacklist/Whitelist
- Billing App
- Call Back
- Call Detail Records (CDR)
- Call Monitor
- Call Recording
- Call Routing
- Call Transfer
- Conference
- Distinctive Ringtone
- Emergency Number
- Event Center
- Email to SMS/SMS to Email
- Fax to Email
- Find Me/Follow Me
- Hot Standby
- Import/Export Extensions
- LDAP Server APP
- Mobility Extension
- Music on Hold
- Queue
- Ring Goup
- SIP Forking
- SLA
- Speed Dial
- Time Condition
- User Portal
- User Privileges
- Video Calls
- Voicemail
- Voicemail to Email
- VPN Server App
- Learn more about features
Powerful Capability with APP Center
All-inclusive features without extra licensing fees plus a unique App Center that can add and manage features independently.